Answer / manikumar agcet

Earthing is not required if we
connect all armour strands of
the cable to ground.

what type of earthing is done on hilly rocks.

4 Answers  

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which subject is better to tell when hr asks the area of interest?..

0 Answers  

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63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

0 Answers   GSECL, L&T,

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A resistance, inductance & capacitance are connected in series between points A & B.The voltage drops across the resistance,inductance&capacitance are found to be 40V,70V&100V respectively. What is the total voltage between between points A&B (Vab)? a)210V b)70V c)50V d)230V

6 Answers  

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Why ACB is used in LT why not in HT and why VCB is used in HT why not in LT

1 Answers   GE,

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How can w select the cable size for different rating load & also waht r factors affecting the during selection of cable?

11 Answers   AB Inc, Bosch, BRB Cable, Lucas TVS, Trisome Technical Services,

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What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

0 Answers  

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What is Load commutation and how it is done?Cite some example where this type of commutation is used

2 Answers   NTPC,

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what is the difference betn earthed and unearthed cables which is commanly used why?

2 Answers   Bhel, Power Grid,

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When Alarm report at LED,Alarm volatge is 11-13 Volt But LED is of 3 volt.then why not it burn?

0 Answers  

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what is the difference in MCB, MCCB, RCCB, ELCB, & MPCB (motor protection circuit bracker)

12 Answers   Afcons, Bhel, CIHSR, DCS, IOCL, L&T, Lupin, Siemens,

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in india why 50 hz and 220 volt taken as standard rating for equipments whereas in US 100hz and 110v is consided as standard rating.is this method save power.

5 Answers   Wipro,

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